CN110337382B - Seat for vehicle - Google Patents
Seat for vehicle Download PDFInfo
- Publication number
- CN110337382B CN110337382B CN201780087493.9A CN201780087493A CN110337382B CN 110337382 B CN110337382 B CN 110337382B CN 201780087493 A CN201780087493 A CN 201780087493A CN 110337382 B CN110337382 B CN 110337382B
- Authority
- CN
- China
- Prior art keywords
- base fabric
- layer
- seat
- skin
- fabric layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
- B60N2/5642—Heating or ventilating devices characterised by convection by air with circulation of air through a layer inside the seat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
- B60N2/5657—Heating or ventilating devices characterised by convection by air blown towards the seat surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/58—Seat coverings
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The strength around the hole is appropriately secured in the skin having the hole for allowing the air generated by the air blowing device to pass through. The vehicle seat comprises a skin (1) and an air supply device, wherein the skin (1) forms a part of a seat main body, which faces a passenger; the air blower is mounted on a seat body, in a vehicle seat, a skin (1) is provided with a top layer (3) arranged on the side opposite to a passenger in the thickness direction of the skin (1), and a base fabric layer (5) arranged on the opposite side of the top layer (3), the top layer (3) and the base fabric layer (5) are both provided with a plurality of holes (3a), (5a) through which air generated by the air blower can pass, and the part positioned at the edge of the hole (5a) in the base fabric layer (5) is composed of fabric formed by weaving fibers impregnated with polyurethane resin.
Description
Technical Field
The present invention relates to a seat for a vehicle, and more particularly to a seat for a vehicle having a plurality of holes formed in a skin thereof, through which air generated by an air blower attached to a seat body can pass.
Background
Some vehicle seats include a seat body to which an air blowing device is attached and which can blow air to a passenger seated in the seat (see, for example, patent document 1). In such a seat, wind generated by the air blowing device passes through the inside of the seat and reaches the body of the passenger. Therefore, in a seat for a vehicle to which a blower is attached, a vent hole is usually formed through a skin as a seat component.
The skin described in patent document 2 can be given as an example of the skin in which the vent holes are formed. The skin described in patent document 2 has a base fabric including fibers having a synthetic resin coating layer. The synthetic resin coating layer of the fibers constituting the base fabric is made of a synthetic resin having a melting point of 120 to 180 degrees. With such a configuration, the skin described in patent document 2 can exhibit a good appearance of the vent holes while securing sufficient strength as the skin. Specifically, the fibers (threads) around the vent holes can be inhibited from cracking.
Patent document 1: japanese laid-open patent publication No. 2016-132350
Patent document 2: japanese laid-open patent publication No. 2016 & 129994
Disclosure of Invention
In patent document 2, in order to suppress yarn breakage, a synthetic resin coating is formed around fibers as a core, and the fibers are partially fused. As described above, the skin described in patent document 2 requires a lot of labor in manufacturing the part where the fibers are fused. Therefore, it is necessary to realize a skin capable of suppressing the thread cracking in the base fabric with a different configuration from patent document 2.
In view of the above, it is an object of the present invention to provide a vehicle seat that can appropriately ensure the strength around a hole in a skin provided with a hole for passing air generated by an air blower.
The above problem is solved as follows. According to the present invention, there is provided a seat for a vehicle, comprising a seat body on which a passenger can sit, a cover sheet constituting a portion of the seat body facing the passenger, and an air blowing device attached to the seat body, wherein the cover sheet comprises a top sheet provided on a side facing the passenger in a thickness direction of the cover sheet, and a base fabric layer provided on a position opposite to the top sheet, the top sheet and the base fabric layer each comprise a plurality of holes through which air generated by the air blowing device can pass, and a portion of the base fabric layer located at an edge of the holes is composed of a woven fabric formed by weaving fibers impregnated with a polyurethane resin.
In the vehicle seat configured as described above, a plurality of ventilation holes are formed in both the top layer of the skin and the base fabric layer. Further, the portion located at the edge of the hole in the base fabric layer is composed of a woven fabric formed by weaving fibers impregnated with a polyurethane resin. By using a woven fabric formed by weaving fibers impregnated with a urethane resin in this manner, fiber cracking around the holes can be suppressed.
In the above configuration, it is preferable that the base fabric layer is composed of a warp knitted fabric formed by knitting a plurality of types of fibers, and the plurality of types of fibers constituting the base fabric layer are each impregnated with a polyurethane resin.
In the above configuration, the plurality of types of fibers constituting the base fabric layer are impregnated with the polyurethane resin, respectively, and therefore the strength of the base fabric layer can be further improved.
In addition, in the above constitution, it is preferable that the top layer is composed of synthetic leather made of polyvinyl chloride.
With the above configuration, the strength of the base fabric layer can be ensured and the appearance of the skin can be improved.
In the above configuration, it is preferable that the base fabric layer has a base fabric layer bottom portion provided at a position farthest from the top layer in the thickness direction, and fibers constituting the base fabric layer bottom portion are in a fluffed state.
With the above configuration, the fibers constituting the base fabric layer bottom portion are in a fluffed state, and various fibers are easily entangled. This can more effectively suppress fiber cracking around the hole.
According to the vehicle seat of the present invention, it is possible to suppress fiber cracking around the holes while ensuring the strength around the holes of the base fabric layer in the skin.
In addition, according to the vehicle seat of the present invention, since the plurality of types of fibers constituting the base fabric layer are impregnated with the polyurethane resin, the strength of the base fabric layer can be further improved.
In addition, according to the vehicle seat of the present invention, since the top layer is made of the synthetic leather made of polyvinyl chloride, the strength of the base fabric layer can be secured and the appearance of the skin can be made good.
In addition, according to the vehicle seat of the present invention, since the fibers constituting the base fabric layer bottom portion are in a fluffed state and various fibers are easily entangled, the fiber cracks around the holes can be more effectively suppressed.
Drawings
Fig. 1 is an overall view of a vehicle seat according to an embodiment of the present invention.
Fig. 2 is a diagram showing a seat body of the vehicle seat and the blower.
Fig. 3 is a schematic enlarged view showing a laminated structure of the skin.
Fig. 4 is a view showing specifications of the skin according to the embodiment of the present invention and the skin according to the comparative example.
Detailed Description
Hereinafter, a seat for a vehicle according to an embodiment (the present embodiment) of the present invention will be described. In the following description, a seat mounted on a vehicle (hereinafter, vehicle seat S) is taken as an example of a seat for a vehicle, and a configuration thereof will be described. Meanwhile, the seat for a vehicle according to the present invention is not limited to a vehicle seat, and may be used as a seat mounted on a vehicle other than a vehicle (for example, a two-wheeled vehicle, a ship, or an airplane).
In addition, the embodiments described below are merely examples for facilitating understanding of the present invention, and do not limit the present invention. That is, the present invention can be modified and improved without departing from the gist thereof. Further, it is needless to say that the present invention includes equivalents thereof.
As shown in fig. 1 and 2, the vehicle seat S includes a seat body Sh on which an occupant can sit, and an air blowing device 10 attached to the seat body Sh. The seat body Sh includes a seat cushion S1, a seat back S2, and a headrest S3. The seat cushion S1 and the seat back S2 are configured by placing the cushion P on the frame F and covering the surface of the cushion P with the cover 1. The cover 1 is a fitting that constitutes the seat cushion S1 and the seat back S2, respectively, and forms a portion of the seat body Sh that faces the passenger, specifically, a seating surface.
In more detail, in the seat cushion S1, a part of the skin 1 constitutes a surface (i.e., an upper surface of the seat cushion S1) that supports the buttocks of the passenger seated in the vehicle seat S from below. In addition, in the seat back S2, a part of the skin 1 constitutes a surface that supports the back of an occupant seated in the vehicle seat S from behind (i.e., the front surface of the seat back S2).
The blower 10 is a device provided for air conditioning or ventilation, and is constituted by a known blower, for example. As shown in fig. 2, the blower 10 is disposed below the seat cushion S1.
Further, through holes are formed in the frame F and the cushion pad P constituting the seat cushion S1 at positions above the blower 10, and the through holes constitute the air duct 11. In addition, a pipe (not shown) made of a cylindrical sheet metal material may be disposed in the air duct 11.
Further, as shown in fig. 3, a plurality of holes 2 penetrating the skin 1 are perforated in the skin 1 constituting the seating surface. The holes 2 are holes through which the wind generated by the air blower 10 can pass, and are formed by performing a known perforation process (perforation setting process) on the skin 1.
When the blower constituting the blower device 10 is rotated in the normal direction, the air (airflow) from the blower device 10 is sent above the seating surface of the seat cushion S1 through the duct 11 and the hole 2, and reaches the passenger (strictly speaking, the hip of the passenger) seated on the seat cushion S1. When the blower is rotated in the reverse direction, air near the seating surface is blown in through the hole 2 and the duct 11 by the blower 10.
In the present embodiment, the blower device 10 is attached to the seat pad S1, but the present invention is not limited to this, and the blower device 10 may be attached to the seat back S2 (more specifically, the rear portion of the seat back S2).
Next, the structure of the skin 1 will be described with reference to fig. 3. As shown in fig. 3, the skin 1 according to the present embodiment has a laminated structure, specifically, a three-layer structure. The layers constituting the skin 1 are divided into a top layer 3, a foam layer 4 and a base fabric layer 5.
The top layer 3 is a layer provided so as to be located on the surface side (the side exposed and opposite to the passenger) in the thickness direction of the skin 1. In the present embodiment, the top layer 3 is made of synthetic leather made of polyvinyl chloride (PVC). The foamed layer 4 is a layer adjacent to the top layer 3 in the thickness direction of the skin 1, and is composed of a known soft filler. A coating film of an adhesive is formed on the boundary surface between the top layer 3 and the foamed layer 4, and the top layer 3 is bonded to the surface of the foamed layer 4.
The base fabric layer 5 is a layer provided so as to be positioned on the back side (the side opposite to the top layer 3) in the thickness direction of the skin 1. The base fabric layer 5 is composed of a woven fabric formed by weaving fibers, and more specifically, is composed of a warp-knitted woven fabric.
In addition, as described above, the skin 1 is perforated with the holes 2 formed by the perforation process. That is, a plurality of holes 3a, 4a, 5a penetrating through the respective layers (top layer 3, foam layer 4, and base fabric layer 5) constituting the skin 1 are provided. The holes of the respective layers communicate with each other and are arranged linearly as shown in fig. 3. The air generated by the air blower 10 can pass through the holes 3a, 4a, and 5 a.
On the other hand, in general, when a hole is formed in a fabric formed by weaving fibers, the fibers located around the hole are easily cracked. On the other hand, in the fabric constituting the base fabric layer 5 in the skin 1, the fiber cracks around the holes 5a can be effectively suppressed. The structure of the base fabric layer 5 will be described in detail below.
The base fabric layer 5 is formed of the above-described warp knitted fabric. Strictly speaking, the base fabric layer 5 is composed of a fabric constituted by weaving a plurality of fibers. The base fabric layer 5 according to the present embodiment is composed of a woven fabric formed by weaving three types of fibers. As shown in FIG. 4, the thickness of each fiber was 50d/72f, 75d/36f, and 75d/36 f.
Fig. 4 is a diagram showing specifications of the skin 1 according to the present embodiment and the skin according to the comparative example, and the skin 1 according to the present embodiment is denoted as "the present example" in the drawing. In addition, three examples are given as comparative examples, and are respectively labeled "example 1", "example 2", and "example 3" in the drawings.
The three types of fibers constituting the base fabric layer 5 are fibers impregnated with a polyurethane resin, respectively. In the present embodiment, the amount of the polyurethane resin impregnated into each fiber is 1 to 10g per unit length of the fiber.
The fibers are woven to form a woven fabric, and the woven fabric is used as the base fabric layer 5. In the present embodiment, the weight per unit area of 280 g/square meter and the density of 73C/36W are described with respect to the specification of the fabric constituting the base fabric layer 5.
Further, in the woven fabric formed by weaving the fibers, a raising treatment is performed on a portion corresponding to the base fabric layer bottom portion 5 b. Therefore, the fibers constituting the base fabric layer bottom portion 5b are in a fluffed state, and the various fibers are easily entangled with each other. Here, the "base fabric layer bottom portion 5 b" is a portion of the base fabric layer 5 provided at a position (position farthest from the top layer 3) on the innermost side in the thickness direction of the skin 1.
As described above, according to the base fabric layer 5 of the skin 1 of the present embodiment, the entire base fabric layer 5 including the edge portion located at the hole 5a is composed of a woven fabric (strictly speaking, a warp-knitted fabric) formed by weaving fibers impregnated with a polyurethane resin. As a result, the strength around the hole 5a is ensured, and the cracking of the fibers around the hole 5a is effectively suppressed.
In order to explain the above-described effects, the base fabric layer 5 of the skin 1 according to the present embodiment and another base fabric layer (base fabric layer of the comparative example) having different production conditions from the base fabric layer 5 will be described in comparison. In addition, the comparative examples have three kinds (examples 1, 2 and 3) of base fabric layers, and the specifications (the knitting mode of the fibers, the type and thickness of the fibers, the weight and density of the fabric per unit area, and whether or not the fabric is impregnated with the polyurethane resin) of each base fabric layer are shown in fig. 4.
As shown in fig. 4, the fibers constituting the fabric of the base fabric layer 5 of the skin 1 according to the present embodiment (hereinafter, the base fabric layer 5 of the present example) are thicker than the fibers constituting the fabric of the base fabric layers of examples 1 and 2. As shown in fig. 4, the weight per unit area of the fabric constituting the base fabric layer 5 of the present example is larger than the weight per unit area of the fabric constituting the base fabric layer of example 1. As shown in fig. 4, the density of the fabric constituting the base fabric layer 5 of this example was higher than the density of the fabric constituting the base fabric layers of examples 1 and 2. As shown in fig. 4, the fibers constituting the woven fabric of the base fabric layer 5 of this example were impregnated with the polyurethane resin, whereas the fibers constituting the woven fabric of the base fabric layers of examples 1 to 3 were not impregnated with the polyurethane resin. Further, all the base fabric layers are perforated with a plurality of holes.
As shown in fig. 4, in the base fabric layers of examples 1 to 3, cracks were generated in the fibers around the holes, whereas in the base fabric layer 5 of this example, the fibers around the holes were prevented from being cracked. In the base fabric layer 5 of this example, as described above, the fibers constituting the base fabric layer bottom portion 5b are in a fluffed state and are likely to be entangled. In combination with this state, in the base fabric layer 5 of the present example, fiber cracking around the holes is effectively suppressed.
Description of the symbols
1 epidermis
2 holes
3 Top layer
3a hole
4 foaming layer
4a hole
5 base cloth layer
5a hole
5b base cloth layer bottom
10 air supply device
11 air duct
F frame
P buffer cushion
S vehicle seat (seat for vehicle)
S1 seat pad
S2 seat back
S3 head pillow
Sh seat body
Claims (3)
1. A seat for a vehicle, characterized in that:
a seat body on which an occupant can sit, a skin constituting a portion of the seat body facing the occupant, and an air blowing device attached to the seat body;
the outer skin includes a top layer provided on a side opposite to the passenger in a thickness direction of the outer skin, and a base fabric layer provided on an opposite side of the top layer;
the top layer and the base cloth layer are provided with a plurality of holes through which wind generated by the air supply device can pass;
a portion located at an edge of the hole in the base fabric layer is composed of a fabric constructed by weaving fibers impregnated with a polyurethane resin;
the base cloth layer is provided with a base cloth layer bottom which is positioned at the innermost side of the base cloth layer at the position farthest from the top layer in the thickness direction;
the fibers constituting the bottom of the base fabric layer are in a fluffed state.
2. The seat for a vehicle according to claim 1, wherein:
the base fabric layer is composed of warp-knitted fabric formed by knitting a plurality of fibers;
the plurality of fibers constituting the base fabric layer are impregnated with a polyurethane resin, respectively.
3. The seat for a vehicle according to claim 1, wherein:
the top layer consists of synthetic leather made of polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269512.2A CN114750658A (en) | 2017-03-03 | 2017-09-28 | Vehicle seat |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017040833A JP6860785B2 (en) | 2017-03-03 | 2017-03-03 | Vehicle seat |
| JP2017-040833 | 2017-03-03 | ||
| PCT/JP2017/035153 WO2018158999A1 (en) | 2017-03-03 | 2017-09-28 | Vehicle seat |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210269512.2A Division CN114750658A (en) | 2017-03-03 | 2017-09-28 | Vehicle seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110337382A CN110337382A (en) | 2019-10-15 |
| CN110337382B true CN110337382B (en) | 2022-04-12 |
Family
ID=63370663
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210269512.2A Pending CN114750658A (en) | 2017-03-03 | 2017-09-28 | Vehicle seat |
| CN201780087493.9A Active CN110337382B (en) | 2017-03-03 | 2017-09-28 | Seat for vehicle |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210269512.2A Pending CN114750658A (en) | 2017-03-03 | 2017-09-28 | Vehicle seat |
Country Status (4)
| Country | Link |
|---|---|
| US (3) | US11027632B2 (en) |
| JP (3) | JP6860785B2 (en) |
| CN (2) | CN114750658A (en) |
| WO (1) | WO2018158999A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2022079969A1 (en) * | 2020-10-14 | 2022-04-21 |
Citations (4)
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| CN1463313A (en) * | 2001-06-12 | 2003-12-24 | 帝人株式会社 | Porous sheet, fiber composite sheet, and processes for producing these |
| CN1531401A (en) * | 2001-05-16 | 2004-09-22 | ������������ʽ���� | Seat |
| WO2015022772A1 (en) * | 2013-08-12 | 2015-02-19 | セーレン株式会社 | Synthetic leather having openings |
| JP2016132350A (en) * | 2015-01-19 | 2016-07-25 | トヨタ紡織株式会社 | Vehicle air conditioning seat |
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| US5505692A (en) * | 1994-06-27 | 1996-04-09 | Johnson & Johnson Professional, Inc. | Conformable polyurethane casting tape |
| JP3675968B2 (en) * | 1996-07-29 | 2005-07-27 | 株式会社クラレ | Tricot ground with engagement function |
| US6179706B1 (en) * | 1998-06-19 | 2001-01-30 | Denso Corporation | Seat air conditioner for vehicle |
| JP3181279B2 (en) * | 1999-09-03 | 2001-07-03 | 東洋ゴム工業株式会社 | Seat cushion pad |
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| US6857697B2 (en) * | 2002-08-29 | 2005-02-22 | W.E.T. Automotive Systems Ag | Automotive vehicle seating comfort system |
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| DE102006035541A1 (en) * | 2006-07-27 | 2008-01-31 | Sitech Sitztechnik Gmbh | Air-conditioned seat |
| JP5103114B2 (en) * | 2007-09-25 | 2012-12-19 | トヨタ紡織株式会社 | Air conditioning sheet |
| JP5098612B2 (en) * | 2007-12-07 | 2012-12-12 | トヨタ紡織株式会社 | Piece for skin material of vehicle seat and manufacturing method thereof |
| JP2009292230A (en) | 2008-06-03 | 2009-12-17 | Autonetworks Technologies Ltd | Seat information acquisition apparatus |
| JP5586973B2 (en) * | 2010-02-02 | 2014-09-10 | トヨタ紡織株式会社 | Vehicle seat |
| JP6207304B2 (en) * | 2012-09-27 | 2017-10-04 | セーレン株式会社 | Synthetic leather and method for producing the same |
| US9885148B2 (en) * | 2012-12-18 | 2018-02-06 | Kyowa Leather Cloth Co., Ltd. | Laminated sheet and method of manufacturing the same |
| JP6145318B2 (en) | 2013-05-31 | 2017-06-07 | 小島プレス工業株式会社 | Contactless power transmission equipment |
| HRP20221093T8 (en) * | 2014-10-31 | 2023-01-20 | Hardwire, Llc | Soft ballistic resistant armor |
| JP6145585B2 (en) * | 2014-12-15 | 2017-06-14 | セーレン株式会社 | Fabric with design and method for producing the same |
| JP6018650B2 (en) | 2015-01-15 | 2016-11-02 | 共和レザー株式会社 | Skin material and method for producing skin material |
| JP6549382B2 (en) * | 2015-02-09 | 2019-07-24 | 株式会社タチエス | Vehicle seat and method of manufacturing vehicle seat |
| JP6488201B2 (en) * | 2015-06-29 | 2019-03-20 | 日本発條株式会社 | Seat cover and vehicle seat |
| WO2017195661A1 (en) * | 2016-05-09 | 2017-11-16 | 株式会社クラレ | Grained artificial leather |
| JP7234676B2 (en) | 2019-02-14 | 2023-03-08 | 味の素株式会社 | W1/O/W2 type emulsified food |
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2017
- 2017-03-03 JP JP2017040833A patent/JP6860785B2/en active Active
- 2017-09-28 WO PCT/JP2017/035153 patent/WO2018158999A1/en active Application Filing
- 2017-09-28 CN CN202210269512.2A patent/CN114750658A/en active Pending
- 2017-09-28 CN CN201780087493.9A patent/CN110337382B/en active Active
- 2017-09-28 US US16/489,866 patent/US11027632B2/en active Active
-
2021
- 2021-03-25 JP JP2021051685A patent/JP7168882B2/en active Active
- 2021-06-04 US US17/338,755 patent/US20210291706A1/en not_active Abandoned
-
2022
- 2022-08-26 US US17/896,124 patent/US11794618B2/en active Active
- 2022-10-26 JP JP2022171540A patent/JP7436904B2/en active Active
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| CN1531401A (en) * | 2001-05-16 | 2004-09-22 | ������������ʽ���� | Seat |
| CN1463313A (en) * | 2001-06-12 | 2003-12-24 | 帝人株式会社 | Porous sheet, fiber composite sheet, and processes for producing these |
| WO2015022772A1 (en) * | 2013-08-12 | 2015-02-19 | セーレン株式会社 | Synthetic leather having openings |
| JP2016132350A (en) * | 2015-01-19 | 2016-07-25 | トヨタ紡織株式会社 | Vehicle air conditioning seat |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018158999A1 (en) | 2018-09-07 |
| US20220410774A1 (en) | 2022-12-29 |
| JP7168882B2 (en) | 2022-11-10 |
| CN110337382A (en) | 2019-10-15 |
| JP6860785B2 (en) | 2021-04-21 |
| US11027632B2 (en) | 2021-06-08 |
| CN114750658A (en) | 2022-07-15 |
| US20210291706A1 (en) | 2021-09-23 |
| US11794618B2 (en) | 2023-10-24 |
| JP7436904B2 (en) | 2024-02-22 |
| JP2021151861A (en) | 2021-09-30 |
| JP2018144619A (en) | 2018-09-20 |
| US20200238867A1 (en) | 2020-07-30 |
| JP2022186936A (en) | 2022-12-15 |
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